Vertical ladder movable to an inclined position



FIG. 1 is a perspective view of a vertical ladder movable to an inclined position embodying our new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a front elevational view thereof; and,

FIG. 4 is a top plan view thereof.

The broken lines are for illustrative purposes only, and form no part of the claimed design. 

The ornamental design for a vertical ladder movable to an inclined position, as shown and described. 